Algebraic Expressions

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols. It does not have an equality sign.

Front

What does the variable 's' represent in the equation 18s = 414?

Back

In the equation 18s = 414, 's' represents the number of students who mailed invitations.

Front

How do you represent the sum of a variable 'n' and a constant 9?

Back

The sum of a variable 'n' and a constant 9 is represented as n + 9.

Front

What is the operation represented by 's - 10'?

Back

The expression 's - 10' represents the operation of subtracting 10 from the variable 's'.

Front

How do you express the product of a constant 34 and a variable 'z'?

Back

The product of a constant 34 and a variable 'z' is expressed as 34z.

Front

What does the expression m/3 represent in the context of distributing lemonade?

Back

The expression m/3 represents the amount of lemonade each person receives when 'm' gallons are distributed equally among 3 people.

Front

What is the difference between an equation and an expression?

Back

An equation is a mathematical statement that asserts the equality of two expressions, while an expression is a combination of numbers, variables, and operations without an equality sign.

Front

What is the importance of variables in algebraic expressions?

Back

Variables in algebraic expressions represent unknown values and allow for the formulation of general rules and relationships in mathematics.

Front

How can you solve the equation 18s = 414 for 's'?

Back

To solve the equation 18s = 414 for 's', divide both sides by 18: s = 414 / 18.

Front

What is a constant in the context of algebraic expressions?

Back

A constant is a fixed value that does not change, such as the number 9 in the expression n + 9.